3D Body Modeling for Ready-to-Wear Clothing Fit Matching

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Solution Overview

Problem

Consumers face challenges in efficiently determining the optimal size and fit of Ready-To-Wear (RTW) clothing items that match their unique body shape and preferences without the need for physical try-ons or manual assistance, leading to inefficiencies in online shopping and high return rates.

Innovation Solution

A computing system that utilizes sensor data and 3D graphical representations to analyze body measurements, compare them to RTW clothing items, and provide automated recommendations, including virtual fitting and alteration options, to determine the best fit and size for individual body parts.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If consumers use traditional online shopping methods to select RTW clothing, then the shopping process is simple to initiate, but the fit determination is imprecise leading to high return rates

Engineering Contradiction:
Improvefit determination accuracyVSAvoidshopping system complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system creates a digital 3D copy of the consumer's body using sensor data from cameras, radar, or LiDAR. This virtual body model serves as a precise digital twin that can be repeatedly measured and used to evaluate clothing fit without requiring physical try-ons, thereby improving measurement precision while keeping the shopping process accessible.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The patent replaces the mechanical process of physical try-ons with an automated computational system. Sensors capture body data, software generates 3D representations, and algorithms automatically compare body measurements with clothing specifications. This substitution eliminates the need for consumers to physically try on multiple items while achieving superior measurement accuracy.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Productivity

If consumers perform manual body measurements and clothing comparisons, then the process requires minimal technology, but the time and effort required are excessive

Engineering Contradiction:
Improveclothing selection efficiencyVSAvoidtime for fit determination
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The system performs preliminary actions by automatically capturing body measurements using sensors and pre-generating 3D body representations before the consumer even selects clothing items. Clothing items are pre-evaluated against the body model, and fit recommendations are prepared in advance, eliminating the need for consumers to manually measure themselves or wait for trial fittings.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system enables self-service by allowing consumers to automatically input their body data once, and the system then autonomously performs all subsequent measurement, comparison, and recommendation tasks. The automated tailoring equipment can even self-adjust clothing dimensions based on the generated body model, eliminating the need for manual assistance while dramatically improving selection efficiency.

Inventive Principle:
Principle #25Self-service

3Loss of information

If the system provides detailed fit analysis for each clothing item, then the fit recommendation accuracy improves, but the information processing complexity increases

Engineering Contradiction:
Improvefit information completenessVSAvoiddata processing complexity
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The system segments the fit analysis process into distinct components: body measurement extraction, clothing specification parsing, virtual fitting simulation, and recommendation generation. Each component handles a specific aspect of the analysis independently, allowing detailed fit information to be processed systematically without overwhelming complexity. The segmented approach enables comprehensive information retention while maintaining manageable processing architecture.

Inventive Principle:
Principle #1Segmentation

4Reliability

If physical try-ons are required to determine clothing fit, then the fit assessment is direct and reliable, but the shopping process becomes time-consuming and inconvenient

Engineering Contradiction:
Improvefit assessment reliabilityVSAvoidshopping convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system introduces a virtual fitting room as an intermediary between the consumer and physical clothing. This digital intermediary simulates the try-on experience by rendering clothing items on the consumer's 3D body model, allowing consumers to visually assess fit and appearance without physically handling or wearing the garments. The intermediary maintains reliability by using accurate body measurements while dramatically improving convenience by eliminating the need for physical try-ons.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS12417481B2Systems and methods for automating clothing transaction
Publication Date: 2025.09.16 BODIDATA INC
  • US12417481B2 patent drawing
  • US12417481B2 patent drawing
  • US12417481B2 patent drawing

AI summary

Systems and methods for automating clothing transactions. The methods comprise: obtaining user input data and/or sensor data specifying characteristics of a body for an individual; transforming the user input data and/or sensor data into a 3D graphical representation of the body; analyzing the 3D graphical representation to derive 3D body measurements for the individual; identifying clothing items based on results from comparing the 3D body measurements to reference measurements associated with clothing items having different styles, sizes and brand associations; analyzing how a fabric elasticity and a garment construction could impact a fit of each identified clothing item relative to each body part of the individual based on the 3D graphical representation of the body; and filtering the clothing items based on results of the analyzing and fit preferences of the individual to generate recommended clothing items for the individual.